While online grocery shopping is generally convenient, manually adding items to your cart one by one can become a bit of a chore. To address this, food and grocery shopping app DoorDash has launched a new feature that allows you to sync your grocery list to the app. The app will then suggest what to add to your cart based on the items on your list. iOS users can import lists from Apple’s Reminders app, too.To use the new feature, first select the store where you want to shop. Then, look for the buttons “Cre ...